Home / 27,579.36-41,331.78-19,770.96

Finding the Fourth Proportional to 27,579.36, 41,331.78 and 19,770.96

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Solution

The fourth proportional to 27,579.36, 41,331.78 and 19,770.96 is: 29,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.36 : 41,331.78 = 19,770.96 : x
  2. Step 2: Convert to fraction form
    27,579.36/41,331.78 = 19,770.96/x
  3. Step 3: Cross multiply
    27,579.36x = 41,331.78 × 19,770.96
  4. Step 4: Simplify right side
    27,579.36x = 817,168,969.11
  5. Step 5: Solve for x
    x = 817,168,969.11/27,579.36
  6. Step 6: Final answer
    x = 29,629.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.